No Products in the Cart
Family Owned & Operated since 1977
Free shipping on all U.S. orders
Maintaining healthy levels of vitamin D helps preserve youthful cognitive function and offers broad-spectrum benefits for bone, immune system health and more. Here's why you should be making sure you get enough of this essential vitamin every day:
Cognitive health
Vitamin D is important for maintaining cognitive health and function as you age. Healthy serum vitamin D levels have been shown to correspond with better scores on cognitive health tests and better maintenance of cognitive ability in aging individuals.
Bone and immune health
Vitamin D (along with vitamin K and essential minerals) is essential for facilitating the transport of calcium into the bone matrix. This is an important step in maintaining strong, healthy bones and teeth. Vitamin D also plays a critical role in healthy immune function.
Heart health & blood pressure support
Vitamin D helps to regulate the body's calcium balance while facilitating calcium absorption into the bloodstream, promotes a healthy inflammatory response in the cardiovascular system and encourages healthy endothelial function. Vitamin D may also help inhibit excess renin levels. Healthy renin levels help maintain healthy blood pressure already within the normal range.
Getting enough vitamin D
This vitamin D3 supplement delivers 125 mcg (5,000 IU) of vitamin D3 as cholecalciferol per softgel. We suggest that you take a 25-hydroxy vitamin D blood test after 3 months to assess and adjust your dosage. Your optimal blood levels should be 50–80 ng/ml year-round.
Read the entire label and follow the directions carefully prior to use.
Take one (1) softgel daily with food, or as recommended by a healthcare practitioner
Q: What is Life Extension Vitamin D3 5,000 IU used for?A: This supplement is designed to support healthy bone density, cell differentiation, and immune function. It helps maintain optimal Vitamin D levels, which are crucial for cognitive health, cardiovascular support, and blood pressure regulation.
Q: Why is the dosage 5,000 IU?A: 5,000 IU (125 mcg) is considered a high-potency dose intended for individuals who may not get enough Vitamin D from sunlight or diet alone. It is often used to bring low Vitamin D levels back into an optimal range (typically 50–80 ng/mL).
Q: Is this product Non-GMO?A: Yes, Life Extension Vitamin D3 is Non-GMO LE Certified.
Q: Is it Gluten-Free?A: Yes, this product is gluten-free.
Q: How should I take this supplement?A: Take one (1) softgel daily with food, or as recommended by a healthcare practitioner. Vitamin D is fat-soluble, so taking it with a meal containing some fat (like avocado, nuts, or olive oil) can improve absorption.
Q: Can I take more than one softgel a day?A: You should not exceed the recommended dose unless instructed by a physician. Because 5,000 IU is already a potent dose, taking more could lead to toxicity (hypercalcemia).
Q: Should I get blood work done while taking this?A: Yes. Life Extension highly recommends a 25-hydroxy vitamin D blood test after 3 months of supplementing to assess your levels and adjust your dosage if necessary. The target range is usually between 50–80 ng/mL.
Q: What are the active ingredients?A:
Vitamin D3 (as cholecalciferol): 125 mcg (5,000 IU)
Q: What are the "Other Ingredients" (inactive)?A:
Extra virgin olive oil
Gelatin
Medium chain triglycerides (MCT)
Glycerin
Purified water
Rosemary extract
Q: Does it contain soy or peanut oil?A: No. The lipid carriers used are extra virgin olive oil and MCT oil, not soy or peanut oil.
Q: Is this product vegetarian/vegan?A: No. The softgel is made from gelatin, which is an animal-derived product.
Q: Are there side effects to taking 5,000 IU of Vitamin D3?A: For most people with a deficiency, this dose is safe. However, excessive Vitamin D intake can lead to hypercalcemia (excess calcium in the blood). Symptoms of toxicity include:
Nausea and vomiting
Muscle weakness
Frequent urination and thirst
Kidney stones
Q: Who should consult a doctor before taking this?A: You should consult your healthcare provider if:
You are pregnant or nursing.
You have kidney disease.
You have high blood calcium levels (hypercalcemia).
You are taking medications such as digoxin, thiazide diuretics, or calcipotriene (psoriasis medication), as Vitamin D can interact with these drugs.
Q: What is the source of the Vitamin D3?A: It is cholecalciferol, which is chemically identical to the Vitamin D your body produces when exposed to sunlight.
Q: How should I store the bottle?A: Store tightly closed in a cool, dry place. Keep out of reach of children.
Q: Does it need to be refrigerated?A: No, refrigeration is not required, but avoid exposing the softgels to excessive heat or direct sunlight, which can cause them to melt or degrade.

